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from qolab.file_utils import save_table_with_header
import numpy as np
import yaml
def headerFronDictionary(d, prefix=''):
header = []
tail = yaml.dump(d, default_flow_style=False, sort_keys=False)
tail = tail.split('\n')
header.extend(tail)
prefixed_header = [prefix+l for l in header]
return prefixed_header
class Trace:
def __init__(self, label):
self.config = {}
self.config['label'] = label
self.config['unit'] = None
self.config['tags'] = {}
self.values = None
def plot(self):
import matplotlib.pyplot as plt
plt.plot(self.values, label=self.config['label'])
plt.xlabel('index')
plt.ylabel(f"{self.config['unit']}")
plt.legend()
plt.grid()
def getConfig(self):
return( self.config )
def getData(self):
return( self.values )
def getHeader(self, prefix=''):
return headerFronDictionary(self.getConfig(), prefix='')
def save(self, fname, item_format='e', **kwargs):
save_table_with_header(fname, self.getData(), self.getHeader(), item_format=item_format, **kwargs)
class TraceXY(Trace):
def __init__(self, label):
self.config = {}
self.config['label'] = label
self.config['tags'] = {}
self.x = None
self.y = None
def plot(self):
import matplotlib.pyplot as plt
plt.plot(self.x.values, self.y.values, label=self.config['label'])
plt.xlabel(f"{self.x.config['label']} ({self.x.config['unit']})")
plt.ylabel(f"{self.y.config['label']} ({self.y.config['unit']})")
plt.legend()
plt.grid()
def getConfig(self):
config = self.config.copy()
config['TraceX'] = {}
config['TraceX'] = self.x.getConfig()
config['TraceY'] = {}
config['TraceY'] = self.y.getConfig()
return( config )
def getData(self):
data=np.concatenate((self.x.values, self.y.values), 1)
return( data )
class TraceSetSameX(Trace):
def __init__(self, label):
self.config = {}
self.config['label'] = label
self.config['tags'] = {}
self.x = None
self.traces={}
def addTrace(self, tr):
if len(self.traces) == 0:
self.x = tr.x
trY = tr.y
self.traces[tr.config['label']]=trY
def plot(self):
import matplotlib.pyplot as plt
nplots = len(self.traces.keys())
cnt=0
for k, tr in self.traces.items():
cnt+=1
if cnt == 1:
ax1=plt.subplot(nplots, 1, cnt)
else:
plt.subplot(nplots, 1, cnt, sharex=ax1)
plt.plot(self.x.values, tr.values, label=k)
plt.ylabel(f"{tr.config['label']} ({tr.config['unit']})")
plt.legend()
plt.grid()
plt.xlabel(f"{self.x.config['label']} ({self.x.config['unit']})")
def items(self):
return (self.traces.items())
def keys(self):
return (self.traces.keys())
def getTrace(self, label):
tr = TraceXY(label)
tr.x = self.x
tr.y = self.traces[label]
return (tr)
def getConfig(self):
config = self.config.copy()
config['TraceX'] = {}
config['TraceX'] = self.x.getConfig()
config['TraceY'] = {}
for k,v in self.traces.items():
config['TraceY'][k] = v.getConfig()
return( config )
def getData(self):
data=self.x.values
for k,v in self.traces.items():
data=np.concatenate((data, v.values), 1)
return( data )
if __name__ == '__main__':
print("Testing trace")
x=Trace('x trace')
x.values = np.random.normal(2,2,(4,1))
x.values = np.array(x.values, int)
x.config['unit']='s'
x.config['tags']['tag1'] = 'xxxx'
x.config['tags']['tag2'] = 'xxxx'
x.save('xtrace.dat', skip_headers_if_file_exist=True)
# print(x.getHeader())
y=Trace('y trace')
y.values = np.random.normal(2,2,(4,1))
y.config['unit']='V'
y.config['tags']['ytag2'] = 'yyyy'
xy=TraceXY('xy trace')
xy.config['tags']['xy tag']= 'I am xy tag'
xy.x = x
xy.y = y
xy.save('xytrace.dat')
# print(xy.getHeader())
xyn = TraceSetSameX('many ys trace')
xyn.config['tags']['descr'] = 'I am many ys trace'
xy.config['label']='y1'
xyn.addTrace(xy)
xy.config['label']='y2'
xyn.addTrace(xy)
xy.config['label']='y3'
xyn.addTrace(xy)
xyn.save('xyntrace.dat')
# print(xyn.getHeader())
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